[ubuntu] USB flash drive -> freeze

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http://ubuntuforums.org – Hello, I have a problem with a new usb flash drive. As soon as I plug it in, my system freezes. Switching to the terminal doesn't work, not even using SysRQ keys. The usb flash drive is a "Verbatim USB Drive 2.0 Executive 8 GB Highspeed". It works using previous kernels without a problem. Does anyone have an idea what to do? Edit: I have to correct myself. This seems to happen with ALL usb mass storage devices, maybe even with all usb devices (can't test it unfortunately). (Hardware)